layout (local_size_x = 8, local_size_y = 8, local_size_z = 1) in;

const ivec3 workGroups = ivec3(6, 6, 1);

#ifdef IS_LPV_ENABLED
	#include "/lib/items.glsl"
	#include "/lib/blocks.glsl"
	#include "/lib/entities.glsl"
	#include "/lib/lpv_blocks.glsl"

	const vec3 LightColor_Amethyst = vec3(0.464, 0.227, 0.788);
	const vec3 LightColor_Candles = vec3(1.0, 0.4, 0.1);
	const vec3 LightColor_CopperBulb = vec3(1.0);
	const vec3 LightColor_LightBlock = vec3(1.0);
	const vec3 LightColor_RedstoneTorch = vec3(0.939, 0.305, 0.164);
	const vec3 LightColor_SeaPickle = vec3(0.283, 0.394, 0.212);

	const vec3 LightColor_Candles_Black = vec3(0.200);
	const vec3 LightColor_Candles_Blue = vec3(0.000, 0.259, 1.000);
	const vec3 LightColor_Candles_Brown = vec3(0.459, 0.263, 0.149);
	const vec3 LightColor_Candles_Cyan = vec3(0.000, 0.839, 0.839);
	const vec3 LightColor_Candles_Gray = vec3(0.329, 0.357, 0.388);
	const vec3 LightColor_Candles_Green = vec3(0.263, 0.451, 0.000);
	const vec3 LightColor_Candles_LightBlue = vec3(0.153, 0.686, 1.000);
	const vec3 LightColor_Candles_LightGray = vec3(0.631, 0.627, 0.624);
	const vec3 LightColor_Candles_Lime = vec3(0.439, 0.890, 0.000);
	const vec3 LightColor_Candles_Magenta = vec3(0.757, 0.098, 0.812);
	const vec3 LightColor_Candles_Orange = vec3(1.000, 0.459, 0.000);
	const vec3 LightColor_Candles_Pink = vec3(1.000, 0.553, 0.718);
	const vec3 LightColor_Candles_Purple = vec3(0.569, 0.000, 1.000);
	const vec3 LightColor_Candles_Red = vec3(0.859, 0.000, 0.000);
	const vec3 LightColor_Candles_White = vec3(1.000);
	const vec3 LightColor_Candles_Yellow = vec3(1.000, 0.878, 0.000);

	uint BuildLpvMask(const in uint north, const in uint east, const in uint south, const in uint west, const in uint up, const in uint down) {
		return east | (west << 1) | (down << 2) | (up << 3) | (south << 4) | (north << 5);
	}

	mat4 GetSaturationMatrix(const in float saturation) {
		const vec3 luminance = vec3(0.3086, 0.6094, 0.0820);

		vec3 lumSat = luminance * (1.0 - saturation);
		vec2 satZero = vec2(saturation, 0.0);
        
		return mat4(
			vec4(lumSat.r + satZero.xyy, 0.0),
			vec4(lumSat.g + satZero.yxy, 0.0),
			vec4(lumSat.b + satZero.yyx, 0.0),
			vec4(0.0, 0.0, 0.0, 1.0));
	}
#endif

void main() {
	#ifdef IS_LPV_ENABLED
		int blockId = int(gl_GlobalInvocationID.x + gl_GlobalInvocationID.y * 48);
		if (blockId >= 2048) return;

		vec3 lightColor = vec3(0.0);
		float lightRange = 0.0;
		float mixWeight = 0.0;
		uint mixMask = 0xFFFF;
		vec3 tintColor = vec3(1.0);

		if (blockId == BLOCK_SSS_WEAK || blockId == BLOCK_SSS_WEAK_3 || blockId == BLOCK_SSS_STRONG) {
			mixWeight = 1.0;
		}

		switch (blockId) {
			case BLOCK_WATER:
				mixWeight = 0.8;
				break;

			case BLOCK_BAMBOO:
				mixWeight = 0.8;
				break;

			case BLOCK_GRASS_SHORT:
			case BLOCK_GRASS_TALL_UPPER:
			case BLOCK_GRASS_TALL_LOWER:
				mixWeight = 0.85;
				break;

			case BLOCK_GROUND_WAVING:
			case BLOCK_GROUND_WAVING_VERTICAL:
			case BLOCK_AIR_WAVING:
				mixWeight = 0.9;
				break;

			case BLOCK_SAPLING:
				mixWeight = 0.9;
				break;
		}

		// lightsources
		if (blockId == BLOCK_AMETHYST_BUD_SMALL || blockId == ITEM_AMETHYST_BUD_SMALL) {
			lightColor = LightColor_Amethyst;
			lightRange = 1.0;
			mixWeight = 1.0;
		}

		if (blockId == BLOCK_AMETHYST_BUD_MEDIUM || blockId == ITEM_AMETHYST_BUD_MEDIUM) {
			lightColor = LightColor_Amethyst;
			lightRange = 2.0;
			mixWeight = 0.8;
		}

		if (blockId == BLOCK_AMETHYST_BUD_LARGE || blockId == ITEM_AMETHYST_BUD_LARGE) {
			lightColor = LightColor_Amethyst;
			lightRange = 4.0;
			mixWeight = 0.6;
		}

		if (blockId == BLOCK_AMETHYST_CLUSTER || blockId == ITEM_AMETHYST_CLUSTER) {
			lightColor = LightColor_Amethyst;
			lightRange = 5.0;
			mixWeight = 0.4;
		}

		if (blockId == BLOCK_BEACON || blockId == ITEM_BEACON) {
			lightColor = vec3(1.0);
			lightRange = 15.0;
		}

		if (blockId == BLOCK_BREWING_STAND) {
			lightColor = vec3(0.636, 0.509, 0.179);
			lightRange = 1.0;
			mixWeight = 0.8;
		}

		#ifdef LPV_COLORED_CANDLES
			if (blockId >= BLOCK_CANDLES_PLAIN_LIT_1 && blockId <= BLOCK_CANDLES_YELLOW_LIT_4) {
				switch (blockId) {
					case BLOCK_CANDLES_PLAIN_LIT_1:
						lightColor = LightColor_Candles;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_PLAIN_LIT_2:
						lightColor = LightColor_Candles;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_PLAIN_LIT_3:
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_PLAIN_LIT_4:
						lightColor = LightColor_Candles;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_BLACK_LIT_1:
						lightColor = LightColor_Candles_Black;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_BLACK_LIT_2:
						lightColor = LightColor_Candles_Black;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_BLACK_LIT_3:
						lightColor = LightColor_Candles_Black;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_BLACK_LIT_4:
						lightColor = LightColor_Candles_Black;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_BLUE_LIT_1:
						lightColor = LightColor_Candles_Blue;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_BLUE_LIT_2:
						lightColor = LightColor_Candles_Blue;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_BLUE_LIT_3:
						lightColor = LightColor_Candles_Blue;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_BLUE_LIT_4:
						lightColor = LightColor_Candles_Blue;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_BROWN_LIT_1:
						lightColor = LightColor_Candles_Brown;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_BROWN_LIT_2:
						lightColor = LightColor_Candles_Brown;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_BROWN_LIT_3:
						lightColor = LightColor_Candles_Brown;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_BROWN_LIT_4:
						lightColor = LightColor_Candles_Brown;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_CYAN_LIT_1:
						lightColor = LightColor_Candles_Cyan;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_CYAN_LIT_2:
						lightColor = LightColor_Candles_Cyan;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_CYAN_LIT_3:
						lightColor = LightColor_Candles_Cyan;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_CYAN_LIT_4:
						lightColor = LightColor_Candles_Cyan;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_GRAY_LIT_1:
						lightColor = LightColor_Candles_Gray;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_GRAY_LIT_2:
						lightColor = LightColor_Candles_Gray;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_GRAY_LIT_3:
						lightColor = LightColor_Candles_Gray;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_GRAY_LIT_4:
						lightColor = LightColor_Candles_Gray;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_GREEN_LIT_1:
						lightColor = LightColor_Candles_Green;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_GREEN_LIT_2:
						lightColor = LightColor_Candles_Green;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_GREEN_LIT_3:
						lightColor = LightColor_Candles_Green;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_GREEN_LIT_4:
						lightColor = LightColor_Candles_Green;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_LIGHT_BLUE_LIT_1:
						lightColor = LightColor_Candles_LightBlue;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_LIGHT_BLUE_LIT_2:
						lightColor = LightColor_Candles_LightBlue;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_LIGHT_BLUE_LIT_3:
						lightColor = LightColor_Candles_LightBlue;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_LIGHT_BLUE_LIT_4:
						lightColor = LightColor_Candles_LightBlue;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_LIGHT_GRAY_LIT_1:
						lightColor = LightColor_Candles_LightGray;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_LIGHT_GRAY_LIT_2:
						lightColor = LightColor_Candles_LightGray;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_LIGHT_GRAY_LIT_3:
						lightColor = LightColor_Candles_LightGray;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_LIGHT_GRAY_LIT_4:
						lightColor = LightColor_Candles_LightGray;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_LIME_LIT_1:
						lightColor = LightColor_Candles_Lime;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_LIME_LIT_2:
						lightColor = LightColor_Candles_Lime;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_LIME_LIT_3:
						lightColor = LightColor_Candles_Lime;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_LIME_LIT_4:
						lightColor = LightColor_Candles_Lime;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_MAGENTA_LIT_1:
						lightColor = LightColor_Candles_Magenta;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_MAGENTA_LIT_2:
						lightColor = LightColor_Candles_Magenta;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_MAGENTA_LIT_3:
						lightColor = LightColor_Candles_Magenta;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_MAGENTA_LIT_4:
						lightColor = LightColor_Candles_Magenta;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_ORANGE_LIT_1:
						lightColor = LightColor_Candles_Orange;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_ORANGE_LIT_2:
						lightColor = LightColor_Candles_Orange;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_ORANGE_LIT_3:
						lightColor = LightColor_Candles_Orange;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_ORANGE_LIT_4:
						lightColor = LightColor_Candles_Orange;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_PINK_LIT_1:
						lightColor = LightColor_Candles_Pink;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_PINK_LIT_2:
						lightColor = LightColor_Candles_Pink;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_PINK_LIT_3:
						lightColor = LightColor_Candles_Pink;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_PINK_LIT_4:
						lightColor = LightColor_Candles_Pink;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_PURPLE_LIT_1:
						lightColor = LightColor_Candles_Purple;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_PURPLE_LIT_2:
						lightColor = LightColor_Candles_Purple;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_PURPLE_LIT_3:
						lightColor = LightColor_Candles_Purple;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_PURPLE_LIT_4:
						lightColor = LightColor_Candles_Purple;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_RED_LIT_1:
						lightColor = LightColor_Candles_Red;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_RED_LIT_2:
						lightColor = LightColor_Candles_Red;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_RED_LIT_3:
						lightColor = LightColor_Candles_Red;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_RED_LIT_4:
						lightColor = LightColor_Candles_Red;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_WHITE_LIT_1:
						lightColor = LightColor_Candles_White;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_WHITE_LIT_2:
						lightColor = LightColor_Candles_White;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_WHITE_LIT_3:
						lightColor = LightColor_Candles_White;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_WHITE_LIT_4:
						lightColor = LightColor_Candles_White;
						lightRange = 12.0;
						break;

					case BLOCK_CANDLES_YELLOW_LIT_1:
						lightColor = LightColor_Candles_Yellow;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_YELLOW_LIT_2:
						lightColor = LightColor_Candles_Yellow;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_YELLOW_LIT_3:
						lightColor = LightColor_Candles_Yellow;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_YELLOW_LIT_4:
						lightColor = LightColor_Candles_Yellow;
						lightRange = 12.0;
						break;
				}
		#else
			if (blockId >= BLOCK_CANDLES_LIT_1 && blockId <= BLOCK_CANDLES_LIT_4) {
				switch (blockId) {
					case BLOCK_CANDLES_LIT_1:
						lightColor = LightColor_Candles;
						lightRange = 3.0;
						break;
					case BLOCK_CANDLES_LIT_2:
						lightColor = LightColor_Candles;
						lightRange = 6.0;
						break;
					case BLOCK_CANDLES_LIT_3:
						lightColor = LightColor_Candles;
						lightRange = 9.0;
						break;
					case BLOCK_CANDLES_LIT_4:
						lightColor = LightColor_Candles;
						lightRange = 12.0;
						break;
				}
		#endif

		mixWeight = 1.0;
	}

	if (blockId == ITEM_BLAZE_ROD) {
		lightColor = vec3(0.864, 0.598, 0.348);
            
		lightRange = 8.0;
		mixWeight = 1.0;
	}

	if (blockId == BLOCK_CAVE_VINE_BERRIES || blockId == ITEM_GLOW_BERRIES) {
		lightColor = vec3(1.0, 1.0, 0.5);
            
		lightRange = 14.0;
		mixWeight = 1.0;
	}

	if (blockId == BLOCK_FIREFLY_BUSH || blockId == ITEM_FIREFLY_BUSH) {
		lightColor = vec3(1.0, 1.0, 0.5);
            
		lightRange = 4.0;
		mixWeight = 0.2;
	}

	#ifdef LPV_REDSTONE_LIGHTS
		if (blockId == BLOCK_COMPARATOR_LIT) {
			lightColor = LightColor_RedstoneTorch;
			lightRange = 4.0;
		}
	#endif

	switch (blockId) {
		case BLOCK_COPPER_BULB_LIT:
			lightColor = LightColor_CopperBulb;
			lightRange = 15.0;
			break;
		case BLOCK_COPPER_BULB_EXPOSED_LIT:
			lightColor = LightColor_CopperBulb;
			lightRange = 12.0;
			break;
		case BLOCK_COPPER_BULB_OXIDIZED_LIT:
			lightColor = LightColor_CopperBulb;
			lightRange = 4.0;
			break;
		case BLOCK_COPPER_BULB_WEATHERED_LIT:
			lightColor = LightColor_CopperBulb;
			lightRange = 8.0;
			break;
		case BLOCK_CONDUIT:
			lightColor = vec3(1.0);
			lightRange = 15.0;
			break;
	}

	if (blockId == BLOCK_CRYING_OBSIDIAN) {
		lightColor = vec3(0.390, 0.065, 0.646);
		lightRange = 10.0;
	}

	if (blockId == BLOCK_END_GATEWAY) {
		lightColor = vec3(1.0);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_END_ROD || blockId == ITEM_END_ROD) {
		lightColor = vec3(0.957, 0.929, 0.875);
		lightRange = 14.0;
	}

	if (blockId == BLOCK_FIRE) {
		lightColor = vec3(0.864, 0.598, 0.348);
		lightRange = 15.0;
		mixWeight = 1.0;
	}

	if (blockId == BLOCK_FIRE_FLIES) {
		lightColor = vec3(0.729, 0.639, 0.31);
		lightRange = 2.0;
		mixWeight = 1.0;
	}

	if (blockId == BLOCK_FROGLIGHT_OCHRE || blockId == ITEM_FROGLIGHT_OCHRE) {
		lightColor = vec3(0.768, 0.648, 0.108);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_FROGLIGHT_PEARLESCENT || blockId == ITEM_FROGLIGHT_PEARLESCENT) {
		lightColor = vec3(0.737, 0.435, 0.658);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_FROGLIGHT_VERDANT || blockId == ITEM_FROGLIGHT_VERDANT) {
		lightColor = vec3(0.463, 0.763, 0.409);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_FURNACE_LIT) {
		lightColor = vec3(0.7, 0.4, 0.2);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_GLOW_LICHEN || blockId == ITEM_GLOW_LICHEN) {
		lightColor = vec3(0.1, 0.2, 0.12);
		lightRange = 7.0;
	}

	if (blockId == BLOCK_GLOWSTONE || blockId == ITEM_GLOWSTONE) {
		lightColor = vec3(0.747, 0.594, 0.326);
		lightRange = 15.0;
	}

	if (blockId == ITEM_GLOWSTONE_DUST) {
		lightColor = vec3(0.747, 0.594, 0.326);
		lightRange = 8.0;
	}

	if (blockId == BLOCK_JACK_O_LANTERN || blockId == ITEM_JACK_O_LANTERN) {
		lightColor = vec3(0.864, 0.598, 0.348);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_LANTERN || blockId == ITEM_LANTERN) {
		lightColor = vec3(0.839, 0.541, 0.2);
		lightRange = 15.0;
		mixWeight = 0.8;
	}

	if (blockId == BLOCK_LAVA) {
		lightColor = vec3(0.659, 0.302, 0.106);
		lightRange = 15.0;
	}
	else if (blockId == ITEM_LAVA_BUCKET) {
		lightColor = vec3(0.659, 0.302, 0.106);
		lightRange = 8.0;
	}

	if (blockId >= BLOCK_LIGHT_1 && blockId <= BLOCK_LIGHT_15) {
		lightColor = LightColor_LightBlock;
		mixWeight = 1.0;

		switch (blockId) {
			case BLOCK_LIGHT_1:
				lightRange = 1;
				break;
			case BLOCK_LIGHT_2:
				lightRange = 2;
				break;
			case BLOCK_LIGHT_3:
				lightRange = 3;
				break;
			case BLOCK_LIGHT_4:
				lightRange = 4;
				break;
			case BLOCK_LIGHT_5:
				lightRange = 5;
				break;
			case BLOCK_LIGHT_6:
				lightRange = 6;
				break;
			case BLOCK_LIGHT_7:
				lightRange = 7;
				break;
			case BLOCK_LIGHT_8:
				lightRange = 8;
				break;
			case BLOCK_LIGHT_9:
				lightRange = 9;
				break;
			case BLOCK_LIGHT_10:
				lightRange = 10;
				break;
			case BLOCK_LIGHT_11:
				lightRange = 11;
				break;
			case BLOCK_LIGHT_12:
				lightRange = 12;
				break;
			case BLOCK_LIGHT_13:
				lightRange = 13;
				break;
			case BLOCK_LIGHT_14:
				lightRange = 14;
				break;
			case BLOCK_LIGHT_15:
				lightRange = 15;
				break;
		}
	}

	if (blockId == BLOCK_MAGMA || blockId == ITEM_MAGMA) {
		lightColor = vec3(0.747, 0.323, 0.110);
		lightRange = 3.0;
		mixWeight = 0.0;
	}

	if (blockId == BLOCK_RAIL_POWERED_ON) {
		lightColor = LightColor_RedstoneTorch;
		lightRange = 7.0;
		mixWeight = 0.9;
	}

	if (blockId == BLOCK_REDSTONE_LAMP_LIT) {
		lightColor = vec3(0.953, 0.796, 0.496);
		lightRange = 15.0;
		mixWeight = 0.0;
	}

	if (blockId == BLOCK_REDSTONE_ORE_LIT || blockId == BLOCK_DEEPSLATE_REDSTONE_ORE_LIT) {
		lightColor = LightColor_RedstoneTorch;
		lightRange = 7.0;
		mixWeight = 0.0;
	}

	if (blockId == BLOCK_REDSTONE_TORCH_LIT || blockId == ITEM_REDSTONE_TORCH) {
		lightColor = LightColor_RedstoneTorch;
		lightRange = 7.0;
		mixWeight = 0.9;
	}

	switch (blockId) {
	#ifdef LPV_REDSTONE_LIGHTS
		case BLOCK_REDSTONE_WIRE_1:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 0.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_2:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 1.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_3:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 1.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_4:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 2.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_5:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 2.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_6:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 3.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_7:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 3.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_8:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 4.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_9:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 4.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_10:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 5.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_11:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 5.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_12:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 6.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_13:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 6.5;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_14:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 7.0;
			mixWeight = 1.0;
			break;
		case BLOCK_REDSTONE_WIRE_15:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 7.5;
			mixWeight = 1.0;
			break;

		case BLOCK_REPEATER_LIT:
			lightColor = LightColor_RedstoneTorch;
			lightRange = 4.0;
			break;
	#endif

		case BLOCK_RESPAWN_ANCHOR_4:
			lightColor = vec3(1.0, 0.2, 1.0);
			lightRange = 15.0;
			break;
		case BLOCK_SCULK_SENSOR_ACTIVE:
			lightColor = vec3(0.1, 0.4, 1.0);
			lightRange = 1.0;
			break;
		case BLOCK_SEA_PICKLE_WET_1:
			lightColor = LightColor_SeaPickle;
			lightRange = 6.0;
			mixWeight = 1.0;
			break;
		case BLOCK_SEA_PICKLE_WET_2:
			lightColor = LightColor_SeaPickle;
			lightRange = 9.0;
			mixWeight = 1.0;
			break;
		case BLOCK_SEA_PICKLE_WET_3:
			lightColor = LightColor_SeaPickle;
			lightRange = 12.0;
			mixWeight = 1.0;
			break;
		case BLOCK_SEA_PICKLE_WET_4:
			lightColor = LightColor_SeaPickle;
			lightRange = 15.0;
			mixWeight = 1.0;
			break;
	}
	
	if (blockId == BLOCK_SEA_LANTERN || blockId == ITEM_SEA_LANTERN) {
		lightColor = vec3(0.553, 0.748, 0.859);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_SHROOMLIGHT || blockId == ITEM_SHROOMLIGHT) {
		lightColor = vec3(0.848, 0.469, 0.205);
		lightRange = 15.0;
	}

	if (blockId == BLOCK_SOUL_FIRE) {
		lightColor = vec3(0.1, 0.6, 1.0);
		lightRange = 10.0;
		mixWeight = 1.0;
	}

	if (
		blockId == BLOCK_SOUL_TORCH || blockId == ITEM_SOUL_TORCH ||
		blockId == BLOCK_SOUL_LANTERN || blockId == ITEM_SOUL_LANTERN
	) {
		lightColor = vec3(0.1, 0.6, 1.0);
		lightRange = 10.0;
		mixWeight = 0.8;
	}

	if (blockId == BLOCK_TORCH || blockId == ITEM_TORCH ||
		blockId == BLOCK_LANTERN || blockId == ITEM_LANTERN
	) {
		lightColor = vec3(TORCH_R, TORCH_G, TORCH_B);
		lightRange = 14.0;
		mixWeight = 0.8;
	}

	if (blockId >= BLOCK_LAMP_LIT_BLACK && blockId <= BLOCK_LAMP_LIT_YELLOW) {
		lightRange = 15.0;
		mixWeight = 0.25;

		switch (blockId) {
			case BLOCK_LAMP_LIT_BLACK:
				lightColor = LightColor_Candles_Black;
				break;
			case BLOCK_LAMP_LIT_BLUE:
				lightColor = LightColor_Candles_Blue;
				break;
			case BLOCK_LAMP_LIT_BROWN:
				lightColor = LightColor_Candles_Brown;
				break;
			case BLOCK_LAMP_LIT_CYAN:
				lightColor = LightColor_Candles_Cyan;
				break;
			case BLOCK_LAMP_LIT_GRAY:
				lightColor = LightColor_Candles_Gray;
				break;
			case BLOCK_LAMP_LIT_GREEN:
				lightColor = LightColor_Candles_Green;
				break;
			case BLOCK_LAMP_LIT_LIGHT_BLUE:
				lightColor = LightColor_Candles_LightBlue;
				break;
			case BLOCK_LAMP_LIT_LIGHT_GRAY:
				lightColor = LightColor_Candles_LightGray;
				break;
			case BLOCK_LAMP_LIT_LIME:
				lightColor = LightColor_Candles_Lime;
				break;
			case BLOCK_LAMP_LIT_MAGENTA:
				lightColor = LightColor_Candles_Magenta;
				break;
			case BLOCK_LAMP_LIT_ORANGE:
				lightColor = LightColor_Candles_Orange;
				break;
			case BLOCK_LAMP_LIT_PINK:
				lightColor = LightColor_Candles_Pink;
				break;
			case BLOCK_LAMP_LIT_PURPLE:
				lightColor = LightColor_Candles_Purple;
				break;
			case BLOCK_LAMP_LIT_RED:
				lightColor = LightColor_Candles_Red;
				break;
			case BLOCK_LAMP_LIT_WHITE:
				lightColor = LightColor_Candles_White;
				break;
			case BLOCK_LAMP_LIT_YELLOW:
				lightColor = LightColor_Candles_Yellow;
				break;
		}
	}

	// reflective translucents / glass

	switch (blockId) {
		case BLOCK_GLASS:
			tintColor = vec3(1.0);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_BLACK:
			tintColor = vec3(0.3);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_BLUE:
			tintColor = vec3(0.1, 0.1, 0.98);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_BROWN:
			tintColor = vec3(0.566, 0.388, 0.148);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_CYAN:
			tintColor = vec3(0.082, 0.533, 0.763);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_GRAY:
			tintColor = vec3(0.4, 0.4, 0.4);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_GREEN:
			tintColor = vec3(0.125, 0.808, 0.081);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_LIGHT_BLUE:
			tintColor = vec3(0.320, 0.685, 0.955);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_LIGHT_GRAY:
			tintColor = vec3(0.7);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_LIME:
			tintColor = vec3(0.633, 0.924, 0.124);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_MAGENTA:
			tintColor = vec3(0.698, 0.298, 0.847);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_ORANGE:
			tintColor = vec3(0.919, 0.586, 0.185);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_PINK:
			tintColor = vec3(0.949, 0.274, 0.497);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_PURPLE:
			tintColor = vec3(0.578, 0.170, 0.904);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_RED:
			tintColor = vec3(0.999, 0.188, 0.188);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_WHITE:
			tintColor = vec3(0.96, 0.96, 0.96);
			mixWeight = 1.0;
			break;
		case BLOCK_GLASS_YELLOW:
			tintColor = vec3(0.965, 0.965, 0.123);
			mixWeight = 1.0;
			break;
		case BLOCK_HONEY:
			tintColor = vec3(0.984, 0.733, 0.251);
			mixWeight = 1.0;
			break;
		case BLOCK_NETHER_PORTAL:
			lightColor = vec3(0.502, 0.165, 0.831);
			tintColor = vec3(0.502, 0.165, 0.831);
			lightRange = 7.0;
			mixWeight = 1.0;
			break;
		case BLOCK_SLIME:
			tintColor = vec3(0.408, 0.725, 0.329);
			mixWeight = 1.0;
			break;

	// LPV shapes

		case BLOCK_LPV_IGNORE:
			mixWeight = 1.00;
			break;
		case BLOCK_LPV_MIN:
			mixWeight = 0.75;
			break;
		case BLOCK_LPV_MED:
			mixWeight = 0.50;
			break;
		case BLOCK_LPV_MAX:
			mixWeight = 0.25;
			break;

		case BLOCK_CARPET:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 1u, 0u);
			mixWeight = 0.9;
			break;

		case BLOCK_DOOR_N:
			mixMask = BuildLpvMask(0u, 1u, 1u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_DOOR_E:
			mixMask = BuildLpvMask(1u, 0u, 1u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_DOOR_S:
			mixMask = BuildLpvMask(1u, 1u, 0u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_DOOR_W:
			mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 1u, 1u);
			mixWeight = 0.8;
			break;

		case BLOCK_PRESSURE_PLATE:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 1u, 0u);
			mixWeight = 0.9;
			break;

		case BLOCK_SLAB_TOP:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 0u, 1u);
			mixWeight = 0.5;
			break;
		case BLOCK_SLAB_BOTTOM:
		case BLOCK_SNOW_LAYERS:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 1u, 0u);
			mixWeight = 0.5;
			break;

		case BLOCK_TRAPDOOR_BOTTOM:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 1u, 0u);
			mixWeight = 0.8;
			break;
		case BLOCK_TRAPDOOR_TOP:
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 0u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_TRAPDOOR_N:
			mixMask = BuildLpvMask(0u, 1u, 1u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_TRAPDOOR_E:
			mixMask = BuildLpvMask(1u, 0u, 1u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_TRAPDOOR_S:
			mixMask = BuildLpvMask(1u, 1u, 0u, 1u, 1u, 1u);
			mixWeight = 0.8;
			break;
		case BLOCK_TRAPDOOR_W:
			mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 1u, 1u);
			mixWeight = 0.8;
			break;
	}

	// STAIRS
	if (blockId >= BLOCK_STAIRS_BOTTOM_N && blockId <= BLOCK_STAIRS_TOP_OUTER_S_W) {
		mixWeight = 0.25;

		switch (blockId) {
			case BLOCK_STAIRS_BOTTOM_N:
				mixMask = BuildLpvMask(1u, 1u, 0u, 1u, 1u, 0u);
				break;
			case BLOCK_STAIRS_BOTTOM_E:
				mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 1u, 0u);
				break;
			case BLOCK_STAIRS_BOTTOM_S:
				mixMask = BuildLpvMask(0u, 1u, 1u, 1u, 1u, 0u);
				break;
			case BLOCK_STAIRS_BOTTOM_W:
				mixMask = BuildLpvMask(1u, 0u, 1u, 1u, 1u, 0u);
				break;
			case BLOCK_STAIRS_BOTTOM_INNER_S_E:
				mixMask = BuildLpvMask(0u, 1u, 1u, 0u, 0u, 1u);
				break;
			case BLOCK_STAIRS_BOTTOM_INNER_S_W:
				mixMask = BuildLpvMask(0u, 0u, 1u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_BOTTOM_INNER_N_W:
				mixMask = BuildLpvMask(1u, 0u, 0u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_BOTTOM_INNER_N_E:
				mixMask = BuildLpvMask(1u, 1u, 0u, 0u, 0u, 1u);
				break;
		}

		if (blockId >= BLOCK_STAIRS_BOTTOM_OUTER_N_W && blockId <= BLOCK_STAIRS_BOTTOM_OUTER_S_W) {
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 0u, 1u);
		}

		switch (blockId) {
			case BLOCK_STAIRS_TOP_N:
				mixMask = BuildLpvMask(1u, 1u, 0u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_E:
				mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_S:
				mixMask = BuildLpvMask(0u, 1u, 1u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_W:
				mixMask = BuildLpvMask(1u, 0u, 1u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_INNER_S_E:
				mixMask = BuildLpvMask(0u, 1u, 1u, 0u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_INNER_S_W:
				mixMask = BuildLpvMask(0u, 0u, 1u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_INNER_N_W:
				mixMask = BuildLpvMask(1u, 0u, 0u, 1u, 0u, 1u);
				break;
			case BLOCK_STAIRS_TOP_INNER_N_E:
				mixMask = BuildLpvMask(1u, 1u, 0u, 0u, 0u, 1u);
				break;
		}

		if (blockId >= BLOCK_STAIRS_TOP_OUTER_N_W && blockId <= BLOCK_STAIRS_TOP_OUTER_S_W) {
			mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 0u, 1u);
		}
	}

	// WALL
	if (blockId >= BLOCK_WALL_MIN && blockId <= BLOCK_WALL_MAX) {
		mixWeight = 0.25;

		if (blockId == BLOCK_WALL_POST_TALL_ALL || blockId == BLOCK_WALL_TALL_ALL
			  || blockId == BLOCK_WALL_POST_TALL_N_W_S
			  || blockId == BLOCK_WALL_POST_TALL_N_E_S
			  || blockId == BLOCK_WALL_POST_TALL_W_N_E
			  || blockId == BLOCK_WALL_POST_TALL_W_S_E) {
			mixMask = BuildLpvMask(0u, 0u, 0u, 0u, 1u, 1u);
			mixWeight = 0.125;
		}
		else if (blockId == BLOCK_WALL_POST_TALL_N_S || blockId == BLOCK_WALL_TALL_N_S) {
			mixMask = BuildLpvMask(1u, 0u, 1u, 0u, 1u, 1u);
		}
		else if (blockId == BLOCK_WALL_POST_TALL_W_E || blockId == BLOCK_WALL_TALL_W_E) {
			mixMask = BuildLpvMask(0u, 1u, 0u, 1u, 1u, 1u);
		}
		// TODO: more walls
	}

	// Misc

	if (blockId == BLOCK_SIGN) {
		mixWeight = 0.9;
	}

	// Entities

	if (blockId == ENTITY_BLAZE) {
		lightColor = vec3(1.000, 0.592, 0.000);
		lightRange = 8.0;
	}

	if (blockId == ENTITY_END_CRYSTAL) {
		lightColor = vec3(1.000, 0.000, 1.000);
		lightRange = 8.0;
	}

	if (blockId == ENTITY_FIREBALL_SMALL) {
		lightColor = vec3(0.000, 1.000, 0.000);
		lightRange = 8.0;
		mixWeight = 1.0;
	}

	if (blockId == ENTITY_GLOW_SQUID) {
		lightColor = vec3(0.180, 0.675, 0.761);
		lightRange = 6.0;
		mixWeight = 0.5;
	}

	if (blockId == ENTITY_MAGMA_CUBE) {
		lightColor = vec3(0.747, 0.323, 0.110);
		lightRange = 9.0;
	}

	if (blockId == ENTITY_TNT) {
		lightColor = vec3(1.0);
		lightRange = 8.0;
	}

	if (blockId == ENTITY_SPECTRAL_ARROW) {
		lightColor = vec3(0.839, 0.541, 0.2);
		lightRange = 8.0;
		mixWeight = 1.0;
	}

	#ifdef EMISSIVE_ORE
		if (blockId == 266) {
			lightColor = vec3(EMISSIVE_ORE_R, EMISSIVE_ORE_G, EMISSIVE_ORE_B);
			lightRange = EMISSIVE_ORE_RANGE;
		}
	#endif

	// hack to increase light (if set)
	if (lightRange > 0.0) lightRange += 1.0;

	// apply saturation changes to light color
	const float saturationF = LPV_SATURATION / 100.0;
	mat4 matSaturation = GetSaturationMatrix(saturationF);
	lightColor = (matSaturation * vec4(lightColor, 1.0)).rgb;

	// apply saturation changes to tint color
	const float tintSaturationF = LPV_TINT_SATURATION / 100.0;
	mat4 matTintSaturation = GetSaturationMatrix(tintSaturationF);
	tintColor = (matTintSaturation * vec4(tintColor, 1.0)).rgb;

	// lazy fix for migrating from mixWeight to tintColor
	tintColor *= mixWeight;

	uint lightColorRange = packUnorm4x8(vec4(lightColor, lightRange/255.0));
	uint tintColorMask = packUnorm4x8(vec4(tintColor, 0.0));
	tintColorMask |= mixMask << 24;

	imageStore(imgBlockData, blockId, uvec4(lightColorRange, tintColorMask, 0u, 0u));
#endif
}
